Ambarella Inc
AMBA- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001280263
In the last 90 days, Ambarella Inc insiders filed 0 open-market purchases and 9 sales; 341 institutions reported holding it in 13F filings for Q2 2026, worth $3.13B in total; no superinvestor holds it.
13F holders, Q3 2021
Institutional positions in Ambarella Inc as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 281
- +24 vs. Q2 2021
- Shares held
- 28.5M
- +1.14M (+4.2%) vs. Q2 2021
- Total value
- $4.44B
- +$1.52B (+51.9%) vs. Q2 2021
- New holders
- 53
- 72 more added
- Sold out
- 29
- 121 more reduced
3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMBA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 341 | $3.13B |
| Q1 2026 | 307 | $1.88B |
| Q4 2025 | 324 | $2.62B |
| Q3 2025 | 329 | $2.93B |
| Q2 2025 | 305 | $2.32B |
| Q1 2025 | 298 | $1.77B |
| Q4 2024 | 299 | $2.46B |
| Q3 2024 | 265 | $1.86B |
| Q2 2024 | 262 | $1.83B |
| Q1 2024 | 269 | $1.69B |
| Q4 2023 | 258 | $2.02B |
| Q3 2023 | 254 | $1.64B |
| Q2 2023 | 258 | $2.58B |
| Q1 2023 | 273 | $2.35B |
| Q4 2022 | 265 | $2.58B |
| Q3 2022 | 244 | $1.70B |
| Q2 2022 | 267 | $1.92B |
| Q1 2022 | 293 | $3.01B |
| Q4 2021 | 328 | $5.72B |
| Q3 2021 | 281 | $4.44B |
| Q2 2021 | 260 | $2.92B |
| Q1 2021 | 266 | $2.78B |
Institutions, Q3 2021
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| UBS Group AG | 31,010 | $4.83M | 0.00% | +4,251+15.9% | Added |
| PDT Partners, LLC | 30,700 | $4.78M | 0.34% | −25,062−44.9% | Reduced |
| Group One Trading, L.P. | 30,088 | $4.69M | 0.10% | +5,176+20.8% | Added |
| Sandler Capital Management | 30,000 | $4.67M | 0.54% | +30,000 | New |
| Natixis Advisors, L.P. | 28,806 | $4.49M | 0.02% | +1,807+6.7% | Added |
| State of New Jersey Common Pension Fund D | 28,322 | $4.41M | 0.01% | +736+2.7% | Added |
| Caption Management, LLC | 27,000 | $4.21M | 0.28% | +27,000 | New |
| AQR Capital Management LLC | 25,843 | $4.03M | 0.01% | +9,909+62.2% | Added |
| Advisor Group Holdings, Inc. | 25,500 | $3.97M | 0.01% | +13,068+105.1% | Added |
| Weiss Multi-Strategy Advisers LLC | 25,000 | $3.89M | 0.08% | −31,156−55.5% | Reduced |
| Barclays PLC | 24,741 | $3.85M | 0.00% | +10,513+73.9% | Added |
| Ardsley Advisory Partners LP | 24,000 | $3.74M | 0.78% | +1,500+6.7% | Added |
| Employees Retirement System of Texas | 24,000 | $3.74M | 0.04% | +11,000+84.6% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 22,760 | $3.55M | 0.02% | +3,508+18.2% | Added |
| Citigroup Inc | 21,809 | $3.40M | 0.00% | −6,350−22.6% | Reduced |
| PEAK6 Investments LLC | 20,635 | $3.21M | 0.06% | +3,824+22.7% | Added |
| McDonald Partners LLC | 20,246 | $3.15M | 0.74% | +75+0.4% | Added |
| Granite Point Capital Management, L.P. | 20,000 | $3.12M | 1.21% | +1,000+5.3% | Added |
| Advisory Research Inc | 19,553 | $3.04M | 0.20% | +7,845+67.0% | Added |
| BNP Paribas Arbitrage, SA | 19,509 | $3.04M | 0.01% | +2,092+12.0% | Added |
| American International Group, Inc. | 19,131 | $2.98M | 0.02% | −456−2.3% | Reduced |
| EAM Investors, LLC | 18,494 | $2.88M | 0.49% | +18,494 | New |
| Manufacturers Life Insurance Company, The | 17,878 | $2.78M | 0.00% | −1,639−8.4% | Reduced |
| LPL Financial LLC | 17,063 | $2.66M | 0.00% | +8,532+100.0% | Added |
| Quantitative Investment Management, LLC | 16,823 | $2.62M | 0.24% | +16,823 | New |
| Stifel Financial Corp | 16,696 | $2.60M | 0.00% | −3,307−16.5% | Reduced |
| Gilder Gagnon Howe & Co LLC | 15,985 | $2.49M | 0.01% | −2,725−14.6% | Reduced |
| Capital Fund Management S.A. | 15,950 | $2.48M | 0.07% | +15,950 | New |
| Zweig-DiMenna Associates LLC | 15,800 | $2.46M | 0.17% | +15,800 | New |
| Envestnet Asset Management Inc | 15,411 | $2.40M | 0.00% | −2,534−14.1% | Reduced |
| Price T Rowe Associates Inc | 15,361 | $2.39M | 0.00% | +804+5.5% | Added |
| Occudo Quantitative Strategies LP | 14,598 | $2.27M | 0.27% | −7,479−33.9% | Reduced |
| First National Bank of Omaha | 13,897 | $2.16M | 0.11% | −5,441−28.1% | Reduced |
| State Board of Administration of Florida Retirement System | 13,827 | $2.15M | 0.00% | +380+2.8% | Added |
| Voya Investment Management LLC | 13,592 | $2.12M | 0.00% | −191−1.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 13,300 | $2.07M | 0.00% | −7,900−37.3% | Reduced |
| Cutler Group LP | 12,853 | $2.00M | 0.15% | +6,914+116.4% | Added |
| BIT Capital GmbH | 12,825 | $2.00M | 0.12% | +12,825 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 12,753 | $1.99M | 0.00% | −45,100−78.0% | Reduced |
| STRS Ohio | 12,600 | $1.96M | 0.01% | −2,400−16.0% | Reduced |
| MetLife Investment Management | 12,092 | $1.88M | 0.02% | −664−5.2% | Reduced |
| Quattro Financial Advisors LLC | 10,000 | $1.71M | 0.46% | 00.0% | Unchanged |
| Comerica Bank | 9,405 | $1.63M | 0.01% | −941−9.1% | Reduced |
| EAM Global Investors LLC | 10,168 | $1.58M | 0.37% | +10,168 | New |
| Arizona State Retirement System | 9,878 | $1.54M | 0.01% | +317+3.3% | Added |
| Los Angeles Capital Management LLC | 9,815 | $1.53M | 0.01% | −214−2.1% | Reduced |
| L & S Advisors Inc | 9,796 | $1.53M | 0.16% | +9,796 | New |
| Quantbot Technologies LP | 9,263 | $1.44M | 0.11% | +9,263 | New |
| Jane Street Group, LLC | 9,195 | $1.43M | 0.00% | −8,527−48.1% | Reduced |
| Cna Financial Corp | 9,160 | $1.43M | 0.39% | +1,844+25.2% | Added |
| Metropolitan Life Insurance Co | 9,062 | $1.41M | 0.02% | −307−3.3% | Reduced |
| Alpha DNA Investment Management LLC | 8,857 | $1.38M | 0.97% | −4,639−34.4% | Reduced |
| Janney Montgomery Scott LLC | 8,815 | $1.37M | 0.01% | +3,640+70.3% | Added |
| Handelsbanken Fonder AB | 8,644 | $1.35M | 0.01% | +600+7.5% | Added |
| O'Neil Global Advisors, Inc. | 8,620 | $1.34M | 1.03% | +8,620 | New |
| HRT Financial LP | 7,910 | $1.23M | 0.01% | −14,935−65.4% | Reduced |
| Hillsdale Investment Management Inc. | 7,900 | $1.23M | 0.09% | +7,900 | New |
| Leonteq Securities AG | 7,874 | $1.23M | 0.07% | −1,966−20.0% | Reduced |
| Engineers Gate Manager LP | 7,679 | $1.20M | 0.07% | −9,151−54.4% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 7,378 | $1.15M | 0.00% | −315−4.1% | Reduced |
| Redmond Asset Management, LLC | 7,256 | $1.13M | 0.35% | 00.0% | Unchanged |
| Cresset Asset Management, LLC | 7,231 | $1.13M | 0.02% | +1,546+27.2% | Added |
| Algert Global LLC | 6,942 | $1.08M | 0.14% | +6,942 | New |
| White Pine Capital LLC | 6,860 | $1.07M | 0.33% | −29−0.4% | Reduced |
| Portolan Capital Management, LLC | 6,763 | $1.05M | 0.08% | −3,752−35.7% | Reduced |
| Amalgamated Bank | 6,219 | $969.0K | 0.01% | −381−5.8% | Reduced |
| American Century Companies Inc | 6,007 | $936.0K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 5,901 | $919.0K | 0.00% | +1,419+31.7% | Added |
| Public Employees Retirement Association of Colorado | 5,587 | $870.0K | 0.00% | 00.0% | Unchanged |
| Pearl River Capital, LLC | 5,104 | $795.0K | 0.22% | +5,104 | New |
| Glaxis Capital Management, LLC | 5,000 | $779.0K | 1.65% | −8,000−61.5% | Reduced |
| Two Sigma Securities, LLC | 4,616 | $719.0K | 0.15% | +4,616 | New |
| ProShare Advisors LLC | 4,481 | $698.0K | 0.00% | −4,586−50.6% | Reduced |
| Gamco Investors, Inc. Et Al | 4,424 | $689.0K | 0.01% | −343−7.2% | Reduced |
| The PNC Financial Services Group, Inc. | 4,163 | $648.0K | 0.00% | −981−19.1% | Reduced |
| AE Wealth Management LLC | 4,104 | $639.0K | 0.01% | −1,971−32.4% | Reduced |
| Azzad Asset Management Inc | 4,028 | $627.4K | 0.09% | −3,452−46.1% | Reduced |
| Gyon Technologies Capital Management, LP | 3,957 | $616.0K | 0.17% | −7,673−66.0% | Reduced |
| Truvestments Capital LLC | 3,788 | $590.0K | 0.33% | −188−4.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 3,657 | $570.0K | 0.00% | 00.0% | Unchanged |
| Nomura Holdings Inc | 3,572 | $550.0K | 0.00% | +3,572 | New |
| Wrapmanager Inc | 3,408 | $531.0K | 0.14% | −1,161−25.4% | Reduced |
| Guggenheim Capital LLC | 3,395 | $529.0K | 0.00% | −292−7.9% | Reduced |
| Prudential Financial Inc | 3,460 | $519.0K | 0.00% | −5−0.1% | Reduced |
| Sheets Smith Wealth Management | 3,270 | $509.0K | 0.07% | −1,075−24.7% | Reduced |
| Pitcairn Co | 3,209 | $500.0K | 0.03% | −312−8.9% | Reduced |
| Schroder Investment Management Group | 3,156 | $492.0K | 0.00% | −318−9.2% | Reduced |
| GAM Holding AG | 4,905 | $480.0K | 0.02% | 00.0% | Unchanged |
| McCollum Christoferson Group LLC | 2,995 | $466.0K | 0.11% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 2,975 | $463.0K | 0.01% | −2,579−46.4% | Reduced |
| Marshall Wace, LLP | 2,771 | $432.0K | 0.00% | −2,267−45.0% | Reduced |
| Raymond James & Associates | 2,772 | $432.0K | 0.00% | −1,240−30.9% | Reduced |
| HSBC Holdings PLC | 2,742 | $423.0K | 0.00% | −1,375−33.4% | Reduced |
| M&G Investment Management Ltd | 2,711 | $423.0K | 0.00% | +2,711 | New |
| Ameritas Investment Partners, Inc. | 2,680 | $417.0K | 0.02% | −91−3.3% | Reduced |
| Winslow Asset Management Inc | 2,675 | $417.0K | 0.08% | 00.0% | Unchanged |
| Pictet Asset Management SA | 2,600 | $405.0K | 0.00% | +2,600 | New |
| Weil Company, Inc. | 2,411 | $375.0K | 0.20% | +2,411 | New |
| Exane Derivatives | 2,335 | $363.6K | 0.09% | −440−15.9% | Reduced |
| US Bancorp | 2,291 | $356.0K | 0.00% | +33+1.5% | Added |